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Finding the Fourth Proportional to 363,935.60, 545,903.40 and 325,444.40

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Solution

The fourth proportional to 363,935.60, 545,903.40 and 325,444.40 is: 488,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,935.60 : 545,903.40 = 325,444.40 : x
  2. Step 2: Convert to fraction form
    363,935.60/545,903.40 = 325,444.40/x
  3. Step 3: Cross multiply
    363,935.60x = 545,903.40 × 325,444.40
  4. Step 4: Simplify right side
    363,935.60x = 177,661,204,470.96
  5. Step 5: Solve for x
    x = 177,661,204,470.96/363,935.60
  6. Step 6: Final answer
    x = 488,166.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.